The company Amazon acquired raw materials whose cash value is $586,250.90 on credit, with a down payment of 30% on the cash price, and the balance through advance monthly payments of $15,250.00 and a payment of $58,500.00 in the tenth month. . If the purchase was made with a charge of 27% effective annually, determine the number of equal payments and the minor complementary payment that must be made to settle the commitment.